Home / 150,636.28-207,871.04-82,651.72

Finding the Fourth Proportional to 150,636.28, 207,871.04 and 82,651.72

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Solution

The fourth proportional to 150,636.28, 207,871.04 and 82,651.72 is: 114,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,636.28 : 207,871.04 = 82,651.72 : x
  2. Step 2: Convert to fraction form
    150,636.28/207,871.04 = 82,651.72/x
  3. Step 3: Cross multiply
    150,636.28x = 207,871.04 × 82,651.72
  4. Step 4: Simplify right side
    150,636.28x = 17,180,898,994.19
  5. Step 5: Solve for x
    x = 17,180,898,994.19/150,636.28
  6. Step 6: Final answer
    x = 114,055.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.